3D printer



FIG. 1 is a perspective view of a third embodiment of the 3D printer;

FIG. 2 is a front view of FIG. 1 ;

FIG. 3 is a back view of FIG. 1 ;

FIG. 4 is a left side view of FIG. 1 ;

FIG. 5 is a right side view of FIG. 1 ;

FIG. 6 is a top view of FIG. 1 ; and,

FIG. 7 is a bottom view of FIG. 1 .

The broken lines shown in the drawings are included for purposes of illustrating portions of the 3D printer and form no part of the claimed design. 

CLAIM The ornamental design for a 3D printer, as shown and described. 